Mercedes Vito W639 - Repair abs pump

Principle of the ABS block

The ABS block: a Bosch invention

For the record, the ABS system has been around since 1920 in the airline industry to prevent airplanes from skidding on landing. In case of emergency braking, the ABS block ensures that the driver retains control of his car. Because locking the wheels in such a situation would cause it to slide down the road.

The ABS system quickly

Before discussing the ABS block, it is important to understand the ABS system completely. There are for the Mercedes Vito W639 vehicle ...

• The ABS block: let's take a closer look at its components below...
• The magnetic targets: they come in the form of a succession of north and south poles. The alternation of the poles varies the output signal.
• The wheel speed sensors: each of the sensors is placed in front of a gear, which induces a sinusoidal signal whose quality depends on the speed of rotation of the wheels.

The ABS block

The ABS block of the Mercedes Vito W639 car is made up of the following elements in particular...

The hydraulic unit

Many elements make it up including:

• A hydraulic pump whose delivery is the cause of the pulsations felt on the pedal.
• Pressure accumulators, which are none other than pressurized gas reservoirs that can hold a variable volume of a pressurized liquid.
• The electronic brake distributor, which is a complementary function managed by the ECU.

The ECU

It receives information that emanates from each of the wheel sensors.

The motor driving a hydraulic pump

It transfers hydraulic energy into mechanical energy.

The Mercedes Vito W639 ABS block replacement

Main manifestations of the failed ABS block

It is quite often one or the other reason... The wheels lock up following a sudden braking, a concern of an electrical nature.

What does Diag-Engine offer?

Diag-Engine is an expert company in the repair of the ABS block of all brands. Please note: Diag-Engine does not offer any new ABS blocks.

Concretely...

You need to locate the reference of your failed ABS block to request its repair. Then you just have to pay for the part in your cart after selecting the make and model of vehicle you own. Finally, send us your defective ABS block as soon as possible.

48 hours are needed for your ABS block to be restored to working order and sent to your home.

The address where you can send it to us can be seen at the bottom of the page.

Do you have a doubt? Write to us and we will assist you.

Some customer reviews

• I sent my ABS block to Diag-Engine and all the follow up and service was on point, from verbal exchange to repair and from the delay until delivery.
• Thank you for your fast and efficient service. The failure has disappeared. The CT validated.
• The Abs block is reassembled and the brakes work as before!

Pay in 4 times without charge and receive an immediate response.